QRP Guys Digital Field Strength Meter This is a preowned, already built, QRP Guys Digital Field Strength Meter. USA PCB & Design built and tested by G3 YTU, it is in good condition and comes with its original build instructions and mini disc. This amateur / ham radio build kit is now retired. Summary Of Specification. Detects RF energy over the VLF-500MHz range: -80dBm to +10dBm. It uses Analog Devices AD8307 logarithmic detector/amplifier On-board digital voltmeter compares small signal changes of approx. 0.7dB, and displays a relative digital reading. RF probe for troubleshooting signal flow through circuits BNC input jack to connect a scope probe Powered by a 9 volt battery (not included) Potentiometer to adjust the amplitude SMA connector with antenna Female pcb mounted BNC for connection to longer antennas, probes or other test inputs Approximate Size: 6.35cm x 6.99cm Please click on the following link for more vintage radio test equipment
